#235 Add PhaseTwo changes

Author: rtufisi

src/main/java/io/phasetwo/service/auth/idp/HomeIdpDiscoveryAuthenticator.java

@@ -13,12 +13,15 @@
 import org.keycloak.models.AuthenticationExecutionModel;
 import org.keycloak.models.IdentityProviderModel;
 import org.keycloak.models.KeycloakSession;
+import org.keycloak.models.ModelDuplicateException;
 import org.keycloak.models.RealmModel;
 import org.keycloak.models.UserModel;
+import org.keycloak.models.utils.KeycloakModelUtils;
 import org.keycloak.services.managers.AuthenticationManager;
 
 import java.util.List;
 
+import static org.keycloak.protocol.oidc.OIDCLoginProtocol.LOGIN_HINT_PARAM;
 import static org.keycloak.services.validation.Validation.FIELD_USERNAME;
 
 final class HomeIdpDiscoveryAuthenticator extends AbstractUsernameFormAuthenticator {
@@ -106,8 +109,12 @@ public void action(AuthenticationFlowContext authenticationFlowContext) {
 
         final List<IdentityProviderModel> homeIdps = context.discoverer(discovererConfig).discoverForUser(authenticationFlowContext, username);
         if (homeIdps.isEmpty()) {
-            authenticationFlowContext.attempted();
-            context.loginHint().setInAuthSession(username);
+            if (authenticationFlowContext.getExecution().getRequirement() == AuthenticationExecutionModel.Requirement.REQUIRED) {
+                authenticationFlowContext.success();
+            } else {
+                authenticationFlowContext.attempted();
+                context.loginHint().setInAuthSession(username);
+            }
         } else {
             RememberMe rememberMe = context.rememberMe();
             rememberMe.handleAction(formData);
@@ -117,6 +124,7 @@ public void action(AuthenticationFlowContext authenticationFlowContext) {
     }
 
     private String setUserInContext(AuthenticationFlowContext context, String username) {
+        context.clearUser();
         username = trimToNull(username);
 
         if (username == null) {
@@ -130,6 +138,19 @@ private String setUserInContext(AuthenticationFlowContext context, String userna
         LOG.debugf("Found username '%s' in request", username);
         context.getEvent().detail(Details.USERNAME, username);
         context.getAuthenticationSession().setAuthNote(ATTEMPTED_USERNAME, username);
+        context.getAuthenticationSession().setClientNote(LOGIN_HINT_PARAM, username);
+
+        try {
+            UserModel user = KeycloakModelUtils.findUserByNameOrEmail(context.getSession(), context.getRealm(),
+                    username);
+            if (user != null) {
+                LOG.tracef("Setting user '%s' in context", user.getId());
+                context.setUser(user);
+            }
+        } catch (ModelDuplicateException ex) {
+            LOG.warnf(ex, "Could not uniquely identify the user. Multiple users with name or email '%s' found.",
+                    username);
+        }
 
         return username;
     }

src/main/java/io/phasetwo/service/auth/idp/discovery/email/EmailHomeIdpDiscoverer.java

@@ -97,6 +97,8 @@ private List<IdentityProviderModel> discoverHomeIdps(AuthenticationFlowContext c
                     Collectors.toMap(FederatedIdentityModel::getIdentityProvider, FederatedIdentityModel::getUserName));
         }
 
+
+        //Todo: This logic should be moved in a custom identity provider class. see OrgsIdentityProviders
         List<IdentityProviderModel> candidateIdps = identityProviders.candidatesForHomeIdp(context, user);
         if (candidateIdps == null) {
             candidateIdps = emptyList();
@@ -112,7 +114,7 @@ private List<IdentityProviderModel> discoverHomeIdps(AuthenticationFlowContext c
         OrganizationProvider orgs = context.getSession().getProvider(OrganizationProvider.class);
         List<IdentityProviderModel> idpsWithMatchingDomain =
             orgs.getOrganizationsStreamForDomain(
-                    context.getRealm(), domain.toString(), config.forwardUserWithUnverifiedEmail())
+                    context.getRealm(), domain.toString(), config.requireVerifiedDomain())
                 .flatMap(OrganizationModel::getIdentityProvidersStream)
                 .filter(IdentityProviderModel::isEnabled)
                 .collect(Collectors.toList());

src/main/java/io/phasetwo/service/auth/idp/discovery/email/EmailHomeIdpDiscovererConfig.java

@@ -16,6 +16,7 @@ final class EmailHomeIdpDiscovererConfig {
     private static final String FORWARD_TO_LINKED_IDP = "forwardToLinkedIdp";
     private static final String USER_ATTRIBUTE = "userAttribute";
     private static final String FORWARD_UNVERIFIED_ATTRIBUTE = "forwardUnverifiedEmail";
+    static final String REQUIRE_VERIFIED_DOMAIN = "requireVerifiedDomain";
 
     private static final ProviderConfigProperty FORWARD_TO_LINKED_IDP_PROPERTY = new ProviderConfigProperty(
         FORWARD_TO_LINKED_IDP,
@@ -41,10 +42,19 @@ final class EmailHomeIdpDiscovererConfig {
         false,
         false);
 
+    private static final ProviderConfigProperty REQUIRE_VERIFIED_DOMAIN_PROPERTY = new ProviderConfigProperty(
+         REQUIRE_VERIFIED_DOMAIN,
+         "Require a verified domain",
+         "Whether a verified domain name for an organization is required to forward to their identity provider.",
+         BOOLEAN_TYPE,
+         false,
+         false);
+
     static final List<ProviderConfigProperty> CONFIG_PROPERTIES = ProviderConfigurationBuilder.create()
         .property(USER_ATTRIBUTE_PROPERTY)
         .property(FORWARD_UNVERIFIED_PROPERTY)
         .property(FORWARD_TO_LINKED_IDP_PROPERTY)
+        .property(REQUIRE_VERIFIED_DOMAIN_PROPERTY)
         .build();
     private final AuthenticatorConfigModel authenticatorConfigModel;
 
@@ -70,6 +80,12 @@ boolean forwardUserWithUnverifiedEmail() {
             .orElse(false);
     }
 
+    boolean requireVerifiedDomain() {
+        return Optional.ofNullable(authenticatorConfigModel)
+                .map(it -> Boolean.parseBoolean(it.getConfig().getOrDefault(REQUIRE_VERIFIED_DOMAIN, "false")))
+                .orElse(false);
+    }
+
     String getAlias() {
         return Optional.ofNullable(authenticatorConfigModel)
             .map(AuthenticatorConfigModel::getAlias)